<!DOCTYPE html>
<html>
<head>
  <title>SMS</title>
  <%= stylesheet_link_tag "application" %>
  <%= javascript_include_tag "application" %>
  <%= csrf_meta_tags %>
</head>
<body>


<div id="header" style="width:910px;height: 35px; margin-left: auto;margin-right: auto;">
  <div style="float: right; margin-top: 10px ">
    <a href="/">首页</a>
    <a href="/students">学生信息</a>
    <a href="/tclasses">课程信息</a>
    <a href="/exams">考试信息</a>
    <a href="/raps">奖惩信息</a>
    <a href="/setting">设置</a>
    <a href="/logout">退出</a>
  </div>
</div>
<div class="container">
  <%= yield %>
</div>
</body>
</html>
